$ git clone -n https://gitee.com/src-opencloudos-rpms/edk2.git /var/lib/mock/dist-oc9-build-46040-14592/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-oc9-build-46040-14592/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/edk2
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57a244a import edk2-20220826gitba0e0e4c6a17-5.tl4